<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Promise 自定义</title>
    <script src="./Promise.js"></script>
</head>
<body>
    <script>
        //1. 实例化对象
        let p = new Promise((resolve, reject) => {
            //改变状态
            reject('error');
            resolve('ok');
        });

        //输出 p 对象
        console.log(p);

        //2. 调用 then 方法指定回调
        // p.then(v => {
        //     console.log(v)
        // }, r => {
        //     console.log(r);
        // });

        


    </script>
</body>
</html>